phase transfer catalyst

基本解釋

• 相轉(zhuǎn)移催化劑

英漢例句

雙語(yǔ)例句

• Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
  聚乙二醇可作爲(wèi)鹵素交換氟化反應(yīng)有傚的相轉(zhuǎn)移催化劑。
• Method:When Acetylsalicylryl chloride was synthesized, DMF as catalysis was added, and Benorilate was obtained in the presence of Polyethylene glycol(PEG) phase transfer catalyst.
  方法：在郃成乙醯水楊醯氯時(shí)以DMF爲(wèi)催化劑，然後用聚乙二醇（ PEG）爲(wèi)相轉(zhuǎn)移催化劑酯化而得貝諾酯。
• As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.
  聚乙二醇作爲(wèi)相轉(zhuǎn)移催化劑可以提高反應(yīng)的選擇性。

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詞組短語(yǔ)

短語(yǔ)

• phase -transfer catalyst AOT AOT相轉(zhuǎn)移催化劑
• amphiphilic phase -transfer catalyst 雙親相轉(zhuǎn)移催化劑
• polymer phase -transfer catalyst 高分子相轉(zhuǎn)移催化劑
• Solvent regulated phase -transfer catalyst 溶劑控制相轉(zhuǎn)移催化劑
• reaction -controlled phase-transfer catalyst 反應(yīng)控制相轉(zhuǎn)移催化劑

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專業(yè)釋義

化學(xué)

• 相轉(zhuǎn)移催化劑

  The effects of phase transfer catalyst,reaction time,temperature,values of oxidant on desulfurization was studied.
  考察了相轉(zhuǎn)移催化劑、氧化時(shí)間、氧化溫度、氧化劑加入量等工藝條件對(duì)脫硫率的影響。